r2j20701np Renesas Electronics Corporation., r2j20701np Datasheet - Page 22

• Manufacturer Part Number: r2j20701np
• Description: Peak Current Mode Synchronous Buck Controller With Power Mosfets
• Manufacturer: Renesas Electronics Corporation.

R2J20701NP
Oscillator and Pulse Generator
1. Standalone operation or operation as the master chip in a parallel configuration with other chips.
Note: Propagation delay is ignored.
Frequency of oscillation for CT:
Switching frequency
Frequency setting range (for Fsw): 200 kHz to 1 MHz (i.e. 400 kHz to 2 MHz for Fct)
REJ03G1459-0300 Rev.3.00 Jun 20, 2007
Page 22 of 27
(Internal signal)
(Internal signal)
Max. Duty
Fct =
Fsw = 0.5 u Fct
RES
SYNC
CT
3 V
2 V
5 V
0 V
2
(CT(F) + 18 pF)
160 A
(Hz)
50 ns (typ.)
1 V
(Hz)